import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import router from '@/router'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.

    if (res.code !== 0) {
      // CodeNoLogin      = gcode.New(-2000, "未登录", "")
      // CodeLoginExpire  = gcode.New(-2001, "登录令牌过期", "")
      // CodeNoPermission = gcode.New(-2002, "接口权限不足", "")
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === -2000 || res.code === -2001) {
        MessageBox.confirm('您已经被登出，请重新登录', '确认登出', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning',
          closeOnClickModal: false
        }).then(() => {
          store.dispatch('user/resetToken').then(res => {
            router.push({ path: '/login' })
            console.log('退出登录')
          })
        })
        return Promise.reject(new Error(res.message || 'Error'))
      }

      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      // 如果接收到新的token则刷新token X-token-refresh
      const xTokenRefresh = response.headers['X-token-refresh'] || ''
      if (xTokenRefresh) {
        console.log('xTokenRefresh............', xTokenRefresh)
      }

      return res.data
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
